THE LEAP BEETLES. 



L139 



rower than elytra, variably punctured, sometimes nearly smooth, often, in 

 the black varieties, alutaceous and subopaque. Elytra with rows of rather 

 fine punctures, these often indistinct on sides and apical third. Length 3 

 4 mm. (Fig. 491.) 



One of the most common of the Chrysomelidse, occurring in large 

 numbers throughout the State. Taken by beating or sweeping vege- 

 tation. 



KEY TO COLOR VARIETIES OF T. CANELUUS. 



a. Elytra wholly black. 

 b. Thorax black. 



c. Legs black. 2108a. aterrimus. 



cc. Legs pale. gilvipes. 

 bb. Thorax reddish- yellow. U108b. thoracicus. 



an. Elytra pale or spotted. 



d. Thorax black, elytral spots larger. 2108c. quadrinotatus. 



dd. Thorax yellow or slightly reddish. 

 e. Elytra with black spots. 



/. Spots of elytra confluent to form a black stripe on each. 



210Sd. VITTATUS. 



//. Spots of elytra separate. 



g. Two spots on each elytron; suture often piceous. 



210Se. QUADRIGUTTATUS. 



<jg. Three spots on each elytron. 2108f. sexnotatus. 



ee. Elytra pale, without spots. 2108g. PUMmus! 



210Sa (6748). Typophorus caxeulus aterrimus Oliv.. Ent, YI. 1808. 913. 



The head of this variety is often reddish and not always black, as 

 stated by Horn. The subvariety gilvipes Dej. differs only in the legs and 

 antennae being wholly pale. 



Throughout the State; common. April 12-July 13. Occurs 

 especially on foliage of wild grape. Taken in early spring by sift- 

 ing and probably hibernates. 



2108b ( ). Typophorus caneleus thoracicus Melsh.. Proc. Phil. Acad. 



Nat. Sci.. Ill, 1847, 168. 

 Head and thorax and usually the legs, reddish or reddish-yellow. Ex- 

 amples in which the thorax is partly black and partly red. thus connecting 

 it. with aterrimus, are often met with. 



Occurs throughout the State. May 20- August 17. Mating 

 June 22. 



2108c (6747b). Typophorus caxellus quadrinotatus Say. Journ. Phil. 



Acad. Nat. Sci.. III. 1824. 445: ibid. II. 213. 

 Head either black or reddish : black spots of elytra located on the mid- 

 dle of the base and behind the middle and sometimes confluent: legs and 

 antennae usually pale. It seems to vary more in size than the other forms. 



